Park Sooyoung (Hangul:박수영; born September 3, 1996), also known as Joy, is a South-Korean singer and dancer. She is the sub vocal, sub dancer and lead rapper of South-Korean girl group, Red Velvet.
During grade school, she performed K-rock band Cherry Filter's "Flying Duck" which began her aspiration to become a singer. She graduated from School of Performing Arts Seoul in February 2015. She was cast through SM Global Audition in Seoul in 2012. Joy is BtoBYook Sungjae's on screen wife on the fourth season of We Got Married.
On August 1 2014, she finally debuted with Red Velvet. She and Yook won Best Couple at the MBC Entertainment Awards with Joy winning the award for 2015's New Star of the Year. They also have released a song together entitled 어린애 (Young Love) for the programme in 2016. The song debuted at number 52 on the Gaon Weekly Chart. The same month, S.M. Entertainment issued an official photo series entitled Enjoy your Monday with Joy. It is released once a week via SM Town Now and Vyrl mobile applications.